Micro & Immunology · single question
Which immunoglobulin mediates the humoral (type I hypersensitivity) response in allergies?
Show answer and explanation
Correct answer: B. IgE
- A. Incorrect – mucosal/secretory antibody.
- B. Correct – IgE binds mast cells/basophils and triggers degranulation in allergic (type I) hypersensitivity.
- C. Incorrect – the first antibody of a PRIMARY response, not the allergy mediator.
- D. Incorrect – main antibody of the secondary response/opsonization, not allergy.
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